Ubuntu Cannot complete the install because of a conflicting dependency.

Cannot complete the install because of a conflicting dependency.
  Software being installed: Android Development Tools 20.0.2.v201207191942-407447 (com.android.ide.eclipse.adt.feature.group 20.0.2.v201207191942-407447)
  Software currently installed: Shared profile 1.0.0.1317160331466 (SharedProfile_PlatformProfile 1.0.0.1317160331466)
  Only one of the following can be installed at once: 
    International Components for Unicode for Java (ICU4J) 4.4.2.v20110208 (com.ibm.icu 4.4.2.v20110208)
    International Components for Unicode for Java (ICU4J) 3.8.1.v20080530 (com.ibm.icu 3.8.1.v20080530)
    International Components for Unicode for Java (ICU4J) 4.0.1.v20090822 (com.ibm.icu 4.0.1.v20090822)
    International Components for Unicode for Java (ICU4J) 4.0.1.v20090415 (com.ibm.icu 4.0.1.v20090415)
  Cannot satisfy dependency:
    From: Shared profile 1.0.0.1317160331466 (SharedProfile_PlatformProfile 1.0.0.1317160331466)
    To: com.ibm.icu [4.4.2.v20110208]
  Cannot satisfy dependency:
    From: Android Development Tools 20.0.2.v201207191942-407447 (com.android.ide.eclipse.adt.feature.group 20.0.2.v201207191942-407447)
    To: org.eclipse.wst.xml.ui 0.0.0
  Cannot satisfy dependency:
    From: Java EMF Model Utilities 2.0.100.v200805140020 (org.eclipse.jem.util 2.0.100.v200805140020)
    To: bundle com.ibm.icu [3.8.1.1,4.0.0)
  Cannot satisfy dependency:
    From: Java EMF Model Utilities 2.0.200.v200905140200 (org.eclipse.jem.util 2.0.200.v200905140200)
    To: bundle com.ibm.icu [3.8.1.1,4.1.0)
  Cannot satisfy dependency:
    From: Java EMF Model Utilities 2.0.201.v201001252130 (org.eclipse.jem.util 2.0.201.v201001252130)
    To: bundle com.ibm.icu [3.8.1.1,4.1.0)
  Cannot satisfy dependency:
    From: Common Frameworks 1.1.201.v200811060900 (org.eclipse.wst.common.frameworks 1.1.201.v200811060900)
    To: bundle org.eclipse.jem.util [2.0.100,3.0.0)
  Cannot satisfy dependency:
    From: Common Frameworks 1.1.300.v200904160730 (org.eclipse.wst.common.frameworks 1.1.300.v200904160730)
    To: bundle org.eclipse.jem.util [2.0.100,3.0.0)
  Cannot satisfy dependency:
    From: Validation Framework 1.2.102.v200905201610 (org.eclipse.wst.validation 1.2.102.v200905201610)
    To: bundle org.eclipse.wst.common.frameworks [1.1.200,2.0.0)
  Cannot satisfy dependency:
    From: Validation Framework 1.2.104.v200911120201 (org.eclipse.wst.validation 1.2.104.v200911120201)
    To: bundle org.eclipse.wst.common.frameworks [1.1.200,2.0.0)
  Cannot satisfy dependency:
    From: Validation Framework 1.2.6.v200902121900 (org.eclipse.wst.validation 1.2.6.v200902121900)
    To: bundle org.eclipse.wst.common.frameworks [1.1.200,2.0.0)
  Cannot satisfy dependency:
    From: XML UI Plugin 1.0.430.v200901212230 (org.eclipse.wst.xml.ui 1.0.430.v200901212230)
    To: bundle com.ibm.icu [3.8.1,4.0.0)
  Cannot satisfy dependency:
    From: Eclipse XML Editors and Tools 1.1.1.v200908242115 (org.eclipse.wst.xml.ui 1.1.1.v200908242115)
    To: bundle org.eclipse.wst.validation [1.2.0,1.3.0)
  Cannot satisfy dependency:
    From: Eclipse XML Editors and Tools 1.1.2.v201001222130 (org.eclipse.wst.xml.ui 1.1.2.v201001222130)
    To: bundle org.eclipse.wst.validation [1.2.0,1.3.0)

搞了一个早上，就一句话，权限不够！

sudo -E eclipse

参考地址：http://stackoverflow.com/questions/7802238/issues-installing-android-development-tools-on-eclipse-3-7